CN212770580U

CN212770580U - Vacuum cracking reaction device

Info

Publication number: CN212770580U
Application number: CN202020495809.7U
Authority: CN
Inventors: 吴军府
Original assignee: Shandong Huamai Environmental Protection Technology Co ltd
Current assignee: Shandong Huamai Environmental Protection Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-03-23
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a vacuum cracking reaction device, which comprises a vacuum thermal cracking furnace, wherein the top of the vacuum thermal cracking furnace is fixedly connected with a feed inlet, the top of the vacuum thermal cracking furnace is fixedly connected with an exhaust pipe positioned on one side of the feed inlet, the top of the exhaust pipe is fixedly connected with a flue gas pipe, one side of the exhaust pipe is connected with a first switch valve, the end of one side of the flue gas pipe is fixedly connected with a heat exchanger, and the bottom of the heat exchanger is fixedly connected with a bracket, in the utility model, separated water in an oil-water separation device is transmitted into a cooling water tank through a first water pump, a second water pump, a third water pump, a first water pipe, a second water pipe, a third water pipe, a first water outlet pipe, a second water outlet pipe, a third water outlet pipe and the like, and then is respectively transmitted into a first condensing device and a second condensing device to be used as cooling water, the device is simple in structure, convenient and practical.

Description

Vacuum cracking reaction device

Technical Field

The utility model relates to a cracker technical field especially relates to a vacuum cracking reaction device.

Background

The cracking furnace is a device for cracking hydrocarbons, and the requirements for the cracking furnace are as follows: the proper high temperature resistant material adopts different cracking furnace types, such as a regenerative cracking furnace, a sand furnace, a tubular cracking furnace and the like, because of different raw materials used for cracking and different methods for providing heat required by cracking, and the tubular cracking furnace is the most widely applied and the most mature technology.

The raw materials often can produce a large amount of heats when carrying out the schizolysis, and these heats can be discharged along with the exhaust system of pipeline together, cause thermal waste, and often can produce a certain amount of water during the raw materials schizolysis, and these water also directly discharge after purifying, the waste of same into water resource, so need a device to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a vacuum cracking reaction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a vacuum cracking reaction device comprises a vacuum thermal cracking furnace, wherein a feed inlet is fixedly connected to the top of the vacuum thermal cracking furnace, an exhaust pipe is fixedly connected to the top of the vacuum thermal cracking furnace and positioned on one side of the feed inlet, a flue gas pipe is fixedly connected to the top of the exhaust pipe, a first switch valve is connected to one side of the exhaust pipe, a heat exchanger is fixedly connected to the tail end of one side of the flue gas pipe, a support is fixedly connected to the bottom of the heat exchanger, a discharge outlet is fixedly connected to one side of the vacuum thermal cracking furnace, a second switch valve is fixedly mounted at the top of the discharge outlet, an output pipe is fixedly connected to one side of the discharge outlet, an oil-water separation device is fixedly connected to the tail end of one side of the output pipe, a first transmission pipe is fixedly connected to one side of the oil-water separation device, the tail end of one side of the second transmission pipe is fixedly connected with a second condensing device, a first water pump is arranged on the rear side of the oil-water separating device, a first water pipe is arranged between the oil-water separating device and the first water pump, a second water pipe is fixedly connected to one side of the first water pump, a cooling water tank is fixedly connected to one side of the second water pipe, a second water pump is arranged on the rear side of the first condensing device, a first water outlet pipe is connected between the second water pump and the first condensing device, a second water outlet pipe is connected between the cooling water tank and the second water pump, a third water pump is arranged on the rear side of the second condensing device, a third water outlet pipe is connected between the third water pump and the cooling water tank, and a third water pipe is connected between the third water pump and the second condensing device.

As a further description of the above technical solution:

the vacuum thermal cracking furnace is communicated with the feeding hole.

As a further description of the above technical solution:

the caliber of the pipe orifice of the flue gas pipe is larger than that of the pipe orifice of the exhaust pipe.

As a further description of the above technical solution:

the hard plastic sleeve is fixedly sleeved on the outer side of the first switch valve and the outer side of the second switch valve, and a plurality of groups of anti-skid grains are uniformly arranged on the outer wall of the peripheral side of the hard plastic sleeve.

As a further description of the above technical solution:

the number of the brackets is two groups, and the two groups of brackets are symmetrical with each other about the central axis of the heat exchanger.

As a further description of the above technical solution:

and the inside of the cooling water tank, the second water outlet pipe and the third water outlet pipe are provided with fixed connecting holes.

The utility model discloses following beneficial effect has:

1. the utility model provides a pair of vacuum cracking reaction unit compares with traditional device, through being provided with coolant tank, first water pump, the second water pump, the third water pump, first water pipe, the second water pipe, the third water pipe, first outlet pipe, devices such as second outlet pipe and third outlet pipe, through first water pump, the water transmission of the inside separation of oil water separator to coolant tank in second water pump and third water pump, use as the cooling water in spreading into first condensing equipment and the second condensing equipment respectively again, the device simple structure, convenient and practical.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, and through being provided with devices such as a flue gas pipe, a heat exchanger and an exhaust pipe, the exhaust pipe is connected with the flue gas pipe, gas with heat in the exhaust pipe enters the heat exchanger through the flue gas pipe, and waste heat in the flue gas is recycled, so that the device is worthy of great popularization.

Drawings

FIG. 1 is a schematic view of a vacuum cracking reactor according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic view of a connection structure between the first condensing unit, the second condensing unit, the oil-water separating unit and the cooling water tank.

Illustration of the drawings:

1. a vacuum thermal cracking furnace; 2. a first transfer tube; 3. a second transfer pipe; 4. a second condensing unit; 5. a first condensing unit; 6. an oil-water separation device; 7. an output pipe; 8. a feed inlet; 9. a flue gas pipe; 10. a heat exchanger; 11. a third water pipe; 12. a third water pump; 13. a third water outlet pipe; 14. a cooling water tank; 15. A second water outlet pipe; 16. a second water pipe; 17. a first water pump; 18. a first water pipe; 19. an exhaust pipe; 20. a first on-off valve; 21. a second on-off valve; 22. a discharge port; 23. a first water outlet pipe; 24. a second water pump; 25. and (4) a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a vacuum cracking reaction device comprises a vacuum thermal cracking furnace 1, a feed inlet 8 is fixedly connected with the top of the vacuum thermal cracking furnace 1, an exhaust pipe 19 is fixedly connected with the top of the vacuum thermal cracking furnace 1 and positioned on one side of the feed inlet 8, a flue gas pipe 9 is fixedly connected with the top of the exhaust pipe 19, a first switch valve 20 is connected with one side of the exhaust pipe 19, a heat exchanger 10 is fixedly connected with the tail end of one side of the flue gas pipe 9, a support 25 is fixedly connected with the bottom of the heat exchanger 10, a discharge outlet 22 is fixedly connected with one side of the vacuum thermal cracking furnace 1, a second switch valve 21 is fixedly installed on the top of the discharge outlet 22, an output pipe 7 is fixedly connected with one side of the discharge outlet 22, an oil-water separation device 6 is fixedly connected with one side of the oil-water separation device 6, a first transmission pipe 2 is fixedly connected with one side of the, the tail end of one side of the second transmission pipe 3 is fixedly connected with a second condensation device 4, the rear side of the oil-water separation device 6 is provided with a first water pump 17, a first water pipe 18 is arranged between the oil-water separation device 6 and the first water pump 17, one side of the first water pump 17 is fixedly connected with a second water pipe 16, the tail end of one side of the second water pipe 16 is fixedly connected with a cooling water tank 14, the rear side of the first condensation device 5 is provided with a second water pump 24, a first water outlet pipe 23 is connected between the second water pump 24 and the first condensation device 5, a second water outlet pipe 15 is connected between the cooling water tank 14 and the second water pump 24, the rear side of the second condensation device 4 is provided with a third water pump 12, a third water outlet pipe 13 is connected between the third water pump 12 and the cooling water tank 14, and a third water pipe 11 is connected between.

The vacuum thermal cracking furnace 1 is communicated with the feed inlet 8, so that the raw materials can enter the vacuum thermal cracking furnace 1 through the feed inlet 8, the mouth of pipe bore of flue gas pipe 9 is greater than the mouth of pipe bore of blast pipe 19, be convenient for be connected between flue gas pipe 9 and the blast pipe 19, the stereoplasm plastic cover has all been fixed to have cup jointed in the first ooff valve 20 outside and the second ooff valve 21 outside, the antiskid line of a plurality of groups has evenly been seted up to the lateral outer wall of stereoplasm plastic cover, prevent that the user from the hand is smooth when using first ooff valve 20 and second ooff valve 21, the quantity of support 25 is two sets of, it is symmetrical about heat exchanger 10's the central axis between two sets of supports 25, it is fixed to be convenient for to heat exchanger 10's support, coolant tank 14 is inside and second outlet pipe 15 and third outlet pipe 13 all seted up the fixed connection hole, be convenient for second outlet pipe 15 and third outlet.

The working principle is as follows: the utility model provides a vacuum cracking reaction device has great improvement innovation with traditional device, when using this kind of vacuum cracking reaction device, throw into the vacuum heat check stove 1 through feed inlet 8 raw materials, open second ooff valve 21, the raw materials after the schizolysis is handled through oil water separator 6 and is extracted water to cooling water tank 14 through first water pump 17, first water pipe 18 and second water pipe 16, again by second water pump 24, second outlet pipe 15 and first outlet pipe 23 transmission to first condensing equipment 5, then by third water pump 12, third outlet pipe 13 and third water pipe 11 transmission cooling water to second condensing equipment 4 in, make water cyclic utilization, open first ooff valve 20 and close second ooff valve 21, through the connection between blast pipe 19 and the flue gas pipe 9, in getting into heat exchanger 10 through flue gas pipe 9 with thermal gas in the blast pipe 19, and the waste heat in the flue gas is recycled.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A vacuum cracking reaction device comprises a vacuum thermal cracking furnace (1), and is characterized in that: the vacuum heat cracking furnace is characterized in that a feed inlet (8) is fixedly connected to the top of the vacuum heat cracking furnace (1), the top of the vacuum heat cracking furnace (1) is located on one side of the feed inlet (8) and is fixedly connected with an exhaust pipe (19), a flue gas pipe (9) is fixedly connected to the top of the exhaust pipe (19), one side of the exhaust pipe (19) is connected with a first switch valve (20), a heat exchanger (10) is fixedly connected to the tail end of one side of the flue gas pipe (9), a support (25) is fixedly connected to the bottom of the heat exchanger (10), a discharge port (22) is fixedly connected to one side of the vacuum heat cracking furnace (1), a second switch valve (21) is fixedly mounted to the top of the discharge port (22), an output pipe (7) is fixedly connected to one side of the discharge port (22), an oil-water separation device (6) is, a first condensing device (5) is fixedly connected to the tail end of one side of the first transmission pipe (2), a second transmission pipe (3) is fixedly connected to one side of the first condensing device (5), a second condensing device (4) is fixedly connected to the tail end of one side of the second transmission pipe (3), a first water pump (17) is arranged on the rear side of the oil-water separation device (6), a first water pipe (18) is arranged between the oil-water separation device (6) and the first water pump (17), a second water pipe (16) is fixedly connected to one side of the first water pump (17), a cooling water tank (14) is fixedly connected to one tail end of one side of the second water pipe (16), a second water pump (24) is arranged on the rear side of the first condensing device (5), a first water outlet pipe (23) is connected between the second water pump (24) and the first condensing device (5), and a second water outlet pipe (15) is connected between the cooling water tank (14) and the second water pump (24), and a third water pump (12) is arranged on the rear side of the second condensing device (4), a third water outlet pipe (13) is connected between the third water pump (12) and the cooling water tank (14), and a third water pipe (11) is connected between the third water pump (12) and the second condensing device (4).

2. The vacuum cracking reaction device as claimed in claim 1, wherein: the vacuum thermal cracking furnace (1) is communicated with the feed inlet (8).

3. The vacuum cracking reaction device as claimed in claim 1, wherein: the caliber of the pipe orifice of the flue gas pipe (9) is larger than that of the pipe orifice of the exhaust pipe (19).

4. The vacuum cracking reaction device as claimed in claim 1, wherein: the outer side of the first switch valve (20) and the outer side of the second switch valve (21) are fixedly sleeved with hard plastic sleeves, and a plurality of groups of anti-skid grains are uniformly arranged on the peripheral outer walls of the hard plastic sleeves.

5. The vacuum cracking reaction device as claimed in claim 1, wherein: the number of the brackets (25) is two, and the two groups of brackets (25) are symmetrical relative to the central axis of the heat exchanger (10).

6. The vacuum cracking reaction device as claimed in claim 1, wherein: and the interior of the cooling water tank (14), the second water outlet pipe (15) and the third water outlet pipe (13) are respectively provided with a fixed connecting hole.